Formula is as follows: watch formula 1. Twelve number on the clock, 12 squares, each said 1 hour. Short on table 2. The needle clockwise, said the minute hand long needle. 3. The minute hand pointed to twelve, the clock struck a few, is long. 4. The minute hand pointed to 6, when the clock struck a few, is long. 5. The minute hand quickly to 12, when the clock struck several, is how soon. 6. The minute hand just after twelve, the clock struck a few, is how long after.